Grate.



1.6.8: 6. L. GEORGE.

GRATE.

APPLICATION FILED MAY 24, 1917.

1,278,135. PatentedSept. 10,1918.

ED STATES PATENT OFFIQE.

JAMES C. GEORGE AND GABRIEL L. GEORGE, F BRISTOL, VIRGINIA.

GRATE.

Specification of Letters Patent. Patented Sept. 10, 1918.

Application filed May 24, 1917. Serial No. 170,751.

To all whom it may concern:

Be it known that we, JAMES C. GEORGE and GABRIEL L. GEORGE, citizens of the United States, residing at Bristol, in the county of lVashington, State of Virginia, have invented a new and useful Improvement in Grates, of which the following is a specification.

The present invention appertains to grates for the fire boxes of locomotives, furnaces, and the like, and-is particularly an improvement over the furnace grate disclosed in our Patent 1,220,216, March 27, 1917.

It is the object of the invention to provide grate bars the trunnions of which are mounted in a novel manner, bearings of special form being provided therefor whereby an improved construction of grate is 0btained.

' lVith the foregoing and other objects in view, which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed can be made within the scope of what is claimed, without departing from the spirit of the invention.

The invention is illustrated in the accompanying drawing, wherein Figure 1 is a fragmental plan view illustrating one grate bar and fragmental portions of the bearings.

Fig. 2 is a section on the line 2-2 of Fig. 1.

Fig. 3 is a cross section of the grate bar, taken on the line 33 of Fig. 2.

Fig. 4 is a fragmental elevation of one of the grate bars showing the manner of assembling one end of the frame and hanger.

Fig. 5 is an elevation of one of the bearings, a portion thereof being shown in section. 7

Only one of the grate bars is shownand described, since they are duplicates of one another, being disposed side by side. The grate bar is provided at each end with an upwardly extending end plate constituting a hanger. Each hanger is provided with an outstanding trunnion 2 near its upper end for engaging a support. An inwardly eX- tending hook shaped seat 3 extends from the lower end of the hanger, the free end portion of the seat being extended upwardly. Said seat has a shoulder 4 adjacent its free can be cast from suitable metalthe same as the hangers 1, although the parts can be otherwise manufactured. The ends of the frame 7 abut the hangers and seat on the shoulders 4, the lugs 6 of the hangers overhanging theend portions of the frame 7, whereby to hold said frame on the seats 3, and prevent the accidental jumping of'the frame from its seats, thus holding said parts assembled. The ends of the frame 7 are beveled, as at 8, at their lower portions, and their upper portions are rounded, as at 9, whereby to facilitate the assemblage of the parts. Thus, referring to Fi 4, when the hangers are disposed in an inclined position with the hook-shaped seats 3 engaged'under the ends of the frame 7, the beveled or cut away portions 8 will accommodate the hangers, and then as the hangers are swung to upright position in the direction of the arrow in Fig. 4, the lugs 6 can move over the curved portions 9 onto the end of the frame, the shoulders 4 moving into engagement with the ends of said frame, whereby to properly assemble the parts, with the lugs 6 oneanother to remove the lugs over the ends of the frame, and since this is not possible when the hangers are held by the bearings, the parts cannot separate accidentally.

The frame 7 supports a series or row of grate sections 10 of suitable construction and preferably cast. Each of the sections 10 has a pair of flat-depending shanks or standards 11, which are provided with shoulders 12 seatable upon the upper edges'of the side members of the frame 7, while the lower portions of the shanks 11 fit between said side members. The shanks 11 are provided at their side edges with notches 13 adj acent to the shoulders 12, and the side members of the frame 7 are provided at suitable intervals or spaced points with inwardly extending lugs 14 to enter said notches when the sections 10 are in normal position. To apply the sections 10, their shanks 11 are inserted downwardly within the frame at the of the lugs 14:, and when said sectioi shifted longitudinally into proper position notches 13- will engage the lugs 1-l. Said notches provide hooks movable under the lugs or flanges It, for holding the sections seated on the frame whereby said sec tions cannot jump out or fall. from the frame 7, during its oscillation In assembling the parts the sections 10 are first applied to the frame Y, and the hangers 1 are then applied to the frame and when swung into place, will shift and hold the sections 10 therebetween, the shanks 11 of the sections engaging the lugs The hangers 1 will hold the sections 10 in proper position therebetween, and not until the hangers l are removed, can the sections 10 he slid longitudinally out of engagement with the lugs 'l-ilfor removing said sections. "\i'hen ll e hangers are iiletached from the hearings. however. they can be readily detached from the frame 7, and the sections 10 then separated. in order that any broken or burnt out parts can be replaced.

Each of the frames 7 has a depending arm 15 for connection with a shaking device, 't'or rocking the grate bars.

Each set or tier of grate bars is sup ported transversely between a pair of parallel ledge bearings 16, which are provided with seats 17 in their upper edges for the trunnions 2. -r lon ated cap 18 is provided for each ;\i1 bearing 16, being disposed there hove and provided with recesses 15) for aeconnnodating the trunn ons 2 and permitting of a slight longitudinal movementof said cap. The cap is provided with a suitable number 01"? depending hooks 20 movable downwardly into rec sses 21 with which the bearing is provided. and then by shifting the cap 18 longitudinal y. the hooks thereof engage 3X- tensions 22 ot the recesses. whereby to lock the cap 18 on the bearing. and prevent its accidental detachment. A pin is inserted downwardly through the cap into the hearing 16 for ]n'eventing the cap 18 shifting longitudinally so that the hooks 20 can be removed, but by withdrawing the pin 23, the cap 18 can be readily detached, for the removal of the grate bars.

lVhen there are two tiers of grate bars, disposed side by side, as in wide locomotive the intern'iediate bearing 16 made sutlieiently wide to accommodate the adjacent lrunnions of the two sets of grate bars as will be readily understood.

Having thus described the invention, what is churned as new isz 1. A grate embodying grate bars having tru-nnions, bearings having seats tor said trunnions. a cap on said hearings to hold the trunuions in said seats. said caps and bearings having 111021115lll'l?f'l'Ql'lgtlgOtllllC when said caps are shifted longitutiimlly. and means for preventing longitudinal movement of said cap.

2. It grate embodv'ing g grate bars having trunnions bearings having seats tor said truunions, a cap seata'ble on said bea 'ngs to hold the trunnions in said seats. said caps having depending hooks the bearings having recesses for receiving said hoolcs and for preventing tleir withdrawal when the caps are moved longitudinally in one direction, and a pin engageable with each of said caps and bearings for holding the hooks in engagement with the l. earings.

In tes iiinony that we *laiin the foregoing as our own, we have hereto atllxed our signatures in the presence of two witnesses.

JAMES C. (rEOP-JEE. GABRIEL L. GEORGE.

llitnesses l. D. HALL, \V. F. Fern.

Eagles of this patent: may be obtained for five cents each, by addressing the "Commissioner at Patents Washington, D Q. 

